CVE-2026-40563: Apache Atlas: Script injection allows access to unintended data
Description: Improper Control of Generation of Code ('Code Injection') vulnerability in Apache Atlas Apache Atlas exposes a DSL search endpoint that accepts user-supplied query strings. Attacker can alter Gremlin traversal logic within grammar-allowed characters to access unintended data
Affect Version: This issue affects Apache Atlas: from 0.8 through 2.4.0.
For the affect version >= 2.0, vulnerability is only when Atlas is deployed with below non-default configuration.
atlas.dsl.executor.traversal=false
Mitigation: Users are recommended to upgrade to version 2.5.0, which fixes the issue.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-40563?
CVE-2026-40563 is classified as a critical severity vulnerability due to the potential for script injection affecting system integrity.
How do I fix CVE-2026-40563?
To fix CVE-2026-40563, upgrade to Apache Atlas version 2.5.0 or later, which includes patches for this vulnerability.
What type of vulnerability is CVE-2026-40563?
CVE-2026-40563 is a Code Injection vulnerability that allows attackers to manipulate Gremlin traversal logic.
What versions of Apache Atlas are affected by CVE-2026-40563?
Apache Atlas versions from 0.8 to 2.4.0 are affected by CVE-2026-40563.
How can CVE-2026-40563 impact my data security?
CVE-2026-40563 can lead to unauthorized access to sensitive data by allowing attackers to execute arbitrary code.